212044623 has 8 divisors (see below), whose sum is σ = 323115648. Its totient is φ = 121168344.

The previous prime is 212044603. The next prime is 212044663. The reversal of 212044623 is 326440212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212044623 - 2¹⁰ = 212043599 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212044593 and 212044602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212044603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5048661 + ... + 5048702.

It is an arithmetic number, because the mean of its divisors is an integer number (40389456).

Almost surely, 2^212044623 is an apocalyptic number.

212044623 is a deficient number, since it is larger than the sum of its proper divisors (111071025).

212044623 is a wasteful number, since it uses less digits than its factorization.

212044623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10097373.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 212044623 is about 14561.7520580458. The cubic root of 212044623 is about 596.3150285294.

Adding to 212044623 its reverse (326440212), we get a palindrome (538484835).

The spelling of 212044623 in words is "two hundred twelve million, forty-four thousand, six hundred twenty-three".